EP 2781069 A4 20150729 - POWER REDUCTION FOR CORRELATED CARRIERS IN A CELLULAR COMMUNICATION SYSTEM
Title (en)
POWER REDUCTION FOR CORRELATED CARRIERS IN A CELLULAR COMMUNICATION SYSTEM
Title (de)
LEISTUNGSREDUZIERUNG FÜR KORRELIERTE TRÄGER IN EINEM ZELLULAREN KOMMUNIKATIONSSYSTEM
Title (fr)
RÉDUCTION DE PUISSANCE POUR PORTEUSES CORRÉLÉES DANS UN SYSTÈME DE COMMUNICATION CELLULAIRE
Publication
Application
Priority
- US 201113277286 A 20111020
- SE 2012000160 W 20121017
Abstract (en)
[origin: US2013100880A1] A wireless communication transmitter configured to transmit a multi-carrier signal, the multi-carrier signal being an aggregation of two or more separately modulated carriers occupying distinct frequency regions is operated by obtaining a baseline multi-carrier metric indicative of an amount by which a multi-carrier signal's maximum transmit power should be reduced from a pre-determined nominal maximum to satisfy a predetermined out-of-band emission requirement when different scrambling codes are used on all carriers that are combined to create the multi-carrier signal. A compensating metric adjustment value that compensates for an estimation error that results from use of a same scrambling code on two or more of the carriers is estimated. A final multi-carrier metric is obtained by adjusting the baseline metric by an amount based on the compensating metric adjustment value when the same scrambling code is used on the two or more of the carriers.
IPC 8 full level
H04L 27/26 (2006.01); H04B 1/04 (2006.01); H04L 5/00 (2006.01); H04W 52/04 (2009.01); H04W 52/16 (2009.01); H04W 52/24 (2009.01); H04W 52/34 (2009.01); H04W 52/36 (2009.01)
CPC (source: EP US)
H04W 52/367 (2013.01 - EP US); H04B 2001/0416 (2013.01 - EP US); H04L 5/001 (2013.01 - EP US); H04W 52/16 (2013.01 - EP US); H04W 52/243 (2013.01 - EP US); H04W 52/34 (2013.01 - EP US); H04W 52/346 (2013.01 - EP US)
Citation (search report)
- [IA] US 2011182197 A1 20110728 - JONES PHIL [GB], et al
- [IA] WO 2008130693 A2 20081030 - INTERDIGITAL TECH CORP [US], et al
- [A] HUAWEI ET AL: "Cubic metric and PAPR analysis for 4C-HSDPA", 3GPP DRAFT; R4-103383, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG4, no. Madrid, Spain; 20100823, 24 August 2010 (2010-08-24), XP050454438
- See references of WO 2013058692A2
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
US 2013100880 A1 20130425; US 8767626 B2 20140701; CN 103891234 A 20140625; CN 103891234 B 20170829; EP 2781069 A2 20140924; EP 2781069 A4 20150729; MX 2014003961 A 20140430; WO 2013058692 A2 20130425; WO 2013058692 A3 20130711
DOCDB simple family (application)
US 201113277286 A 20111020; CN 201280051131 A 20121017; EP 12841579 A 20121017; MX 2014003961 A 20121017; SE 2012000160 W 20121017